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How to pass a variable to Ruby through Ajax?


Try using toJSON to turn the data into a json string, then when you receive it in your ruby code you can use JSON.parse(data)


Categories : Ruby

Related to : How to pass a variable to Ruby through Ajax?
"Error 91: Object variable or With block variable not set" in code running perfectly last Friday
That is because rCategory is Nothing. The .Find is not returning anything. To test it, change your code to this. For iCategory = 1 To UBound(vCategories) Set rCategory = rPatterns.Find(What:=vCategories(iCategory)) If rCategory Is Nothing Then MsgBox vCategories(iCategory) & " Not Found" Else .Points(iCategory).Format.Fill.ForeColor.RGB = rCategory.Interior.Color

Categories : Vba
When page is first loaded, it gets data for a variable, but after reload the variable is null
The problem is in your variable was that is checked when you redirect for xmlGetProductData. And after that you should set it to false or null like in initial state. if (!was) response.sendRedirect("xmlGetProductData"); request.getSession().setAttribute("was", false);

Categories : Java
R: change data frame structure using values from one variable as new variable
To split the data: (s <- split(df1$score, df1$name)) # $a # [1] 1 # # $b # [1] 1 2 # # $c # [1] 1 To create the new data frame: as.data.frame(sapply(s, `length<-`, max(vapply(s, length, 1L)))) # a b c # 1 1 1 1 # 2 NA 2 NA Slightly more efficient would be to use vapply in place of sapply len <- max(vapply(s, length, 1L)) as.data.frame(vapply(s, `length<-`, double(len), len

Categories : R
Binary variable from multiple character string variable
I would subset using a logical test and run something like: a <- c("aa", "bb", "aa", "cc", "bb", "dd", "cc", "dd") a[a == "aa"] <- 0 a[a == "bb"] <- 0 a[a == "cc"] <- 1 a[a == "dd"] <- 1 a <- data.frame(a) a

Categories : R
ajax return single variable and an array variable
Change your php file. I am not sure this is you are expecting. ajaxrequest.php: foreach ($array2 as $print2) { $var1 = $print2['var']; $newtimestamp[] = $now; $newcomment[] = "<div class=post>$var1</div>"; } echo json_encode(array('newtimestamp' => $newtimestamp, 'newcomment' => $newcomment));

Categories : PHP
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